P87C554SBAA,512 NXP Semiconductors, P87C554SBAA,512 Datasheet
P87C554SBAA,512
Specifications of P87C554SBAA,512
935263385512
P87C554SBAA
Available stocks
Related parts for P87C554SBAA,512
P87C554SBAA,512 Summary of contents
Page 1
P87C554 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM 8 channel 10-bit A/D, I capture/compare, high I/O Product data Supersedes data of 1998 Aug 14 hilips Semiconductors INTEGRATED CIRCUITS 2 C, PWM, 2002 Mar 25 ...
Page 2
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O DESCRIPTION . . . . . . . . . . . . . . . . . . . . ...
Page 3
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O DESCRIPTION The P87C554 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller ...
Page 4
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O ORDERING INFORMATION OTP/EPROM P87C554SBAA P87C554SFAA PART NUMBER DERIVATION DEVICE NUMBER (P87C554) OPERATING FREQUENCY MAX (S) P87C554 OTP BLOCK DIAGRAM T0 T1 ...
Page 5
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O PINNING INFORMATION Plastic Leaded Chip Carrier pin functions PLASTIC LEADED CHIP CARRIER ...
Page 6
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O PIN DESCRIPTION Table 1. Pin description MNEMONIC PIN NO. TYPE Digital Power Supply: Positive voltage power supply pin ...
Page 7
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O PIN DESCRIPTION (Continued) MNEMONIC PIN NO. TYPE P4.0-P4.7 7-14 I/O Port 4: 8-bit programmable I/O port. Alternate functions include: 7-12 O ...
Page 8
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O SPECIAL FUNCTION REGISTERS Table 1. Special Function Registers DIRECT SYMBOL DESCRIPTION ADDRESS ACC* Accumulator E0H ADCH# A/D converter high C6H ADCON# ...
Page 9
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O DIRECT SYMBOL DESCRIPTION ADDRESS P1M1 Port 1 output mode 1 92H P1M2 Port 1 output mode 2 93H P2M1 Port 2 ...
Page 10
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O OSCILLATOR CHARACTERISTICS XTAL1 and XTAL2 are the input and output, respectively inverting amplifier. The pins can be configured for ...
Page 11
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 2. External Pin Status During Idle and Power-Down Modes PROGRAM MODE MEMORY ALE Idle Internal 1 Idle External 1 Power-down ...
Page 12
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Expanded Data RAM Addressing The P87C554 has internal data memory that is mapped into four separate segments: the lower 128 bytes ...
Page 13
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O FF ERAM 256 BYTES 00 Figure 5. Internal and External Data Memory Address Space with EXTRAM = 0 Dual DPTR The ...
Page 14
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O AUXR1 Address = A2H Not Bit Addressable ADC8 AIDL Bit Symbol Function DPS Data Pointer Switch—switches between DPRT0 and ...
Page 15
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Enhanced UART The UART operates in all of the usual modes that are described in the first section of Data Handbook ...
Page 16
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O D0 START BIT SM0 / FE SMOD1 SMOD0 0 : S0CON.7 = SM0 1 : S0CON RECEIVED ...
Page 17
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I more complex system the following could be used to select slaves 1 and 2 while excluding slave 0: Slave ...
Page 18
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 IEN1 (E8H) ET2 ECM2 (MSB) BIT SYMBOL IEN1.7 ET2 IEN1.6 ECM2 IEN1.5 ECM1 IEN1.4 ECM0 IEN1.3 ECT3 IEN1.2 ECT2 IEN1.1 ...
Page 19
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O CT0I INT CTI0 CT0 off f 1/12 osc T2 RT2 T2ER External reset enable P4.1 S ...
Page 20
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 CTCON (EBH) CTN3 CTP3 (MSB) BIT SYMBOL CTCON.7 CTN3 CTCON.6 CTP3 CTCON.5 CTN2 CTCON.4 CTP2 CTCON.3 CTN1 CTCON.2 CTP1 CTCON.1 ...
Page 21
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 STE (EEH) TG47 TG46 (MSB) BIT SYMBOL STE.7 TG47 STE.6 TG46 STE.5 SP45 STE.4 SP44 STE.3 SP43 STE.2 SP42 STE.1 ...
Page 22
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Timer T3, The Watchdog Timer In addition to Timer T2 and the standard timers, a watchdog timer is also incorporated on ...
Page 23
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O During the early stages of software development/debugging, the watchdog may be disabled by tying the EW pin high later ...
Page 24
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O f OSC 1/2 PRESCALER Figure 19. Functional Diagram of Pulse Width Modulated Outputs ADC0 ADC1 ADC2 ADC3 ANALOG INPUT ADC4 MULTIPLEXER ...
Page 25
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I – DAC FULL SCALE 1/2 V DAC 0 1 The low-to-high transition of STADC ...
Page 26
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 2002 Mar PWM, Start of Conversion SOC RESET SAR [BIT POINTER] = MSB [BIT CONVERSION ...
Page 27
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 ADCON (C5H) ADC.1 (MSB) Bit Symbol Function ADCON.7 ADC.1 Bit 1 of ADC result ADCON.6 ADC.0 Bit 0 of ADC ...
Page 28
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 10-Bit ADC Resolution and Analog Supply: Figure 24 shows how the ADC is realized. The ADC has its own supply pins ...
Page 29
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I ANALOG INPUT maximum S C ...
Page 30
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Interrupts The P87C554 has fifteen interrupt sources, each of which can be assigned one of four priority levels. The five interrupt ...
Page 31
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 IEN1 (E8H) ET2 ECM2 (MSB) BIT SYMBOL IEN1.7 ET2 IEN1.6 ECM2 IEN1.5 ECM1 IEN1.4 ECM0 IEN1.3 ECT3 IEN1.2 ECT2 IEN1.1 ...
Page 32
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 7 IP1 (F8H) PT2 PCM2 (MSB) BIT SYMBOL IP1.7 PT2 IP1.6 PCM2 IP1.5 PCM1 IP1.4 PCM0 IP1.3 PCT3 IP1.2 PCT2 IP1.1 ...
Page 33
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I SIO1 Serial I/O: The I C bus uses two wires (SDA and SCL) to transfer information between ...
Page 34
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I bus P1.7/SDA P1.6/SCL P87C554 SDA MSB SLAVE ADDRESS SCL START CONDITION SIO1 Implementation and ...
Page 35
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O P1.7 INPUT FILTER P1.7/SDA OUTPUT STAGE INPUT FILTER P1.6/SCL OUTPUT STAGE P1.6 Figure 35. I 2002 Mar PWM, ...
Page 36
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I RBITRATION AND YNCHRONIZATION OGIC In the master transmitter mode, the arbitration logic checks that every transmitted logic 1 ...
Page 37
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I ERIAL LOCK ENERATOR This programmable clock pulse generator provides the SCL clock pulses when SIO1 is in the ...
Page 38
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O SDA SCL SHIFT PULSES SDA D7 D6 SCL SHIFT ACK & S1DAT ACK (2) S1DAT (1) (2) SHIFT BSD7 BSD7 D7 ...
Page 39
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O If the STA and STO bits are both set, the a STOP condition is 2 transmitted to the I C bus ...
Page 40
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O More Information on SIO1 Operating Modes: The four operating modes are: – Master Transmitter – Master Receiver – Slave Receiver – ...
Page 41
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Ç Ç Ç Ç Ç Ç Ç Ç SUCCESSFUL TRANSMISSION TO A SLAVE RECEIVER Ç Ç Ç Ç Ç Ç Ç ...
Page 42
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Ç Ç Ç Ç Ç Ç Ç Ç SUCCESSFUL RECEPTION S SLA FROM A SLAVE TRANSMITTER Ç Ç Ç Ç Ç ...
Page 43
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Ç Ç Ç Ç Ç Ç Ç RECEPTION OF THE OWN SLAVE ADDRESS AND ONE OR MORE DATA BYTES ALL ARE ...
Page 44
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Ç Ç Ç Ç Ç Ç Ç Ç RECEPTION OF THE Ç Ç Ç Ç Ç Ç Ç Ç OWN SLAVE ...
Page 45
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 6. Master Transmitter Mode APPLICATION SOFTWARE RESPONSE STATUS STATUS STATUS OF THE STATUS OF THE 2 CODE I C BUS ...
Page 46
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 7. Master Receiver Mode APPLICATION SOFTWARE RESPONSE 2 2 STATUS STATUS STATUS OF THE I STATUS OF THE I C ...
Page 47
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 8. Slave Receiver Mode APPLICATION SOFTWARE RESPONSE STATUS STATUS STATUS OF THE STATUS OF THE 2 CODE I C BUS ...
Page 48
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 8. Slave Receiver Mode (Continued) APPLICATION SOFTWARE RESPONSE STATUS STATUS STATUS OF THE STATUS OF THE 2 CODE I C ...
Page 49
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Table 10. Miscellaneous States APPLICATION SOFTWARE RESPONSE STATUS STATUS STATUS OF THE STATUS OF THE 2 CODE I C BUS AND ...
Page 50
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O S SLA W A 08H 18H Figure 44. Simultaneous Repeated START Conditions from 2 Masters TIME LIMIT STA FLAG STO FLAG ...
Page 51
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O STA FLAG (1) SDA LINE SCL LINE (1) Unsuccessful attempt to send a Start condition (2) SDA line released (3) Successful ...
Page 52
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O S1ADR S1DAT S1STA S1CON PSW IPO IEN0 P1 BACKUP NUMBYTMST SLA HADD STD SRD MRD MTD 2002 Mar ...
Page 53
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I ASTER RANSMITTER AND ASTER ECEIVER The master mode is entered in the main program. To enter ...
Page 54
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !******************************************************************************************************** ! SI01 EQUATE LIST !******************************************************************************************************** !******************************************************************************************************** ! LOCATIONS OF THE SI01 SPECIAL FUNCTION REGISTERS !******************************************************************************************************** 00D8 S1CON 00D9 S1STA 00DA ...
Page 55
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !******************************************************************************************************** ! INITIALIZATION ROUTINE ! Example to initialize IIC Interface as slave receiver or slave transmitter and ! start a MASTER ...
Page 56
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !******************************************************************************************************** !******************************************************************************************************** ! MASTER STATE SERVICE ROUTINES !******************************************************************************************************** ! State 08 and State 10 are both for MST/TRX and MST/REC. ! ...
Page 57
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !– – – – – – – – – – – – – – – – – – – – – ...
Page 58
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !******************************************************************************************************** !******************************************************************************************************** ! MASTER RECEIVER STATE SERVICE ROUTINES !******************************************************************************************************** !******************************************************************************************************** !– – – – – – – – – – – ...
Page 59
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !******************************************************************************************************** !******************************************************************************************************** ! SLAVE RECEIVER STATE SERVICE ROUTINES !******************************************************************************************************** !******************************************************************************************************** !– – – – – – – – – – – ...
Page 60
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !– – – – – – – – – – – – – – – – – – – – – ...
Page 61
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !– – – – – – – – – – – – – – – – – – – – – ...
Page 62
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O !– – – – – – – – – – – – – – – – – – – – – ...
Page 63
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I ABSOLUTE MAXIMUM RATINGS PARAMETER Storage temperature range Voltage on EA Voltage on any other ...
Page 64
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER SYMBOL PARAMETER I Supply current operating DD I ...
Page 65
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O DC ELECTRICAL CHARACTERISTICS (Continued) SYMBOL PARAMETER Analog Inputs (Continued) AV Analog input voltage IN AV Reference voltage: REF AV REF– AV ...
Page 66
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 1023 1022 1021 1020 1019 1018 7 Code Out Offset ...
Page 67
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O AC ELECTRICAL CHARACTERISTICS SYMBOL FIGURE PARAMETER 1/t 49 Oscillator frequency CLCL Speed versions : 4; 5 ALE pulse width ...
Page 68
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O AC ELECTRICAL CHARACTERISTICS (Continued) SYMBOL PARAMETER Interface (Refer to Figure 56) t START condition hold time HD;STA ...
Page 69
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O EXPLANATION OF THE AC SYMBOLS Each timing symbol has five characters. The first character is always ‘t’ (= time). The other ...
Page 70
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O ALE PSEN t LLWL LLAX AVLL A0–A7 PORT 0 FROM RI OR DPL t AVWL PORT 2 V ...
Page 71
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O 2.4V 0.45V NOTE: AC inputs during testing are driven at 2.4V for a logic ‘1’ and 0.45V for a logic ‘0’. ...
Page 72
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I Figure 57. 16 MHz Version Supply Current (I CLOCK SIGNAL 1. Active ...
Page 73
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O CLOCK SIGNAL 2. Idle Mode: a. The following pins must be forced The following pins must be ...
Page 74
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O EPROM CHARACTERISTICS The 87C554 contains three signature bytes that can be read and used by an EPROM programming system to identify ...
Page 75
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O PLCC68: plastic leaded chip carrier; 68 leads; pedestal 2002 Mar PWM, 73 Product data P87C554 SOT188-3 ...
Page 76
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O REVISION HISTORY Date CPCN 2002 Mar 25 9397 750 09572 1998 Aug 14 9397 750 04273 2002 Mar ...
Page 77
Philips Semiconductors 80C51 8-bit microcontroller – 12 clock operation 16K/512 OTP/RAM, 8 channel 10-bit A/D, I capture/compare, high I/O Purchase of Philips I to use the components in the specifications defined by Philips. This specification can ...